Troubleshooting

 

Possible

Recommended

Activity

Beeps Cause

Action

NOTE: For the following LED activity and beeps, the beeps will be heard through the on–board piezo speaker and not the chassis speaker. Blinks and beeps will be repeated for 5 cycles, after that, only the blinks will continue to repeat.

Red Power LED

4

Power failure

1.

Open the hood and

blinks four times

 

(power supply

 

ensure the 4-wire

once every second,

 

is overloaded)

 

power supply cable is

followed by a

 

 

 

seated into the

two-second pause.

 

 

 

connector on the

 

 

 

 

system board.

 

 

 

2.

Check if a device is

 

 

 

 

causing the problem by

 

 

 

 

removing ALL attached

 

 

 

 

devices (such as hard,

 

 

 

 

diskette, or optical

 

 

 

 

drives, and expansion

 

 

 

 

cards.) Power on the

 

 

 

 

system. If the system

 

 

 

 

enters the POST, then

 

 

 

 

power off and replace

 

 

 

 

one device at a time

 

 

 

 

and repeat this

 

 

 

 

procedure, until failure

 

 

 

 

occurs. Replace the

 

 

 

 

device that is causing

 

 

 

 

the failure. Continue

 

 

 

 

adding devices one at

 

 

 

 

a time to ensure all

 

 

 

 

devices are functioning

 

 

 

 

properly.

 

 

 

3. Replace the power

 

 

 

 

supply.

 

 

 

4.

Replace the system

 

 

 

 

board.

 

 

 

 

 

4–20

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